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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-13 02:45:04 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-13 02:45:04 +0400 |
| commit | 25d412d932fb3289ae5b510845d523330b80bb71 (patch) | |
| tree | 7234bf9bf03af4b0f1f40830169cd7219ef586ed /drivers/ide/ide-acpi.c | |
| parent | 98feb7cc61c50fe0fa36eeb994d5db527ca9e103 (diff) | |
| parent | c713cd7f2d799c50a0721bf51d178ea9567215dd (diff) | |
| download | linux-25d412d932fb3289ae5b510845d523330b80bb71.tar.xz | |
Merge branch 'acpi-hotplug'
* acpi-hotplug:
ACPI / scan: ACPI device object sysfs attribute for _STA evaluation
ACPI / hotplug / driver core: Handle containers in a special way
ACPI / hotplug: Add demand_offline hotplug profile flag
ACPI / bind: Move acpi_get_child() to drivers/ide/ide-acpi.c
ACPI / bind: Pass struct acpi_device pointer to acpi_bind_one()
ACPI / bind: Rework struct acpi_bus_type
ACPI / bind: Redefine acpi_preset_companion()
ACPI / bind: Redefine acpi_get_child()
PCI / ACPI: Use acpi_find_child_device() for child devices lookup
ACPI / bind: Simplify child device lookups
ACPI / scan: Use direct recurrence for device hierarchy walks
ACPI: Introduce acpi_set_device_status()
ACPI / hotplug: Drop unfinished global notification handling routines
ACPI / hotplug: Rework generic code to handle suprise removals
ACPI / hotplug: Move container-specific code out of the core
ACPI / hotplug: Make ACPI PCI root hotplug use common hotplug code
ACPI / hotplug: Introduce common hotplug function acpi_device_hotplug()
ACPI / hotplug: Do not fail bus and device checks for disabled hotplug
ACPI / scan: Add acpi_device objects for all device nodes in the namespace
ACPI / scan: Define non-empty device removal handler
Diffstat (limited to 'drivers/ide/ide-acpi.c')
| -rw-r--r-- | drivers/ide/ide-acpi.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 333d4053e727..b6940992a6ff 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -97,6 +97,17 @@ bool ide_port_acpi(ide_hwif_t *hwif) return ide_noacpi == 0 && hwif->acpidata; } +static acpi_handle acpi_get_child(acpi_handle handle, u64 addr) +{ + struct acpi_device *adev; + + if (!handle || acpi_bus_get_device(handle, &adev)) + return NULL; + + adev = acpi_find_child_device(adev, addr, false); + return adev ? adev->handle : NULL; +} + /** * ide_get_dev_handle - finds acpi_handle and PCI device.function * @dev: device to locate |